Apparatus for repairing containers for high temperature material



A. OSOLIN 2,091,082,

APPARATUS FOR REPAIRING CONTAINERS FOR HIGH TEMPERATURE MATERIAL Aug. 24, 193 7.

Filed NOV. 13, 1936 [weft/6'07: 14/. FEED 050L//\/,-

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Patented Aug. 24, 1937 r UNITED STATES A-TEN other] APPARATUS FOR REPAIRING CONTAINERS FOR HIGH TEMPERATURE MATERIAL 4 Alfred Osolin, Shaker Heights, Ohio Application November 13, 1936, Serial No..1l0,769 1 5 Claims. (01. 266-39) This invention relates generally to the repairarranged parallel and in edgewise relationship ing of holes in walls subjected to high temperarespecting the interior of the ladle. These plates tures, but is particularly concerned with the refor sheets are cut in such lengths and are of suc pairing or patching of holes in blast-furnace slag widths as to fill the holes A and B.

5 ladles. Such ladles are commonly made of cast They are mounted by plates 3 fixed to the out- 6 metal, and are subject to leaks due to localized sde of the ladle by riveting and welding, and portions of their walls having a tendency to break in which there are a plurality of slots or openout in pieces in such manner as to leave holes. ings 4 arranged so that at least one of the open- The present inventor intends to provide an imings-rcgisters with each of the plates or. sheets 10 proved manner of patching such holes, the 2. Welding metal is deposited through these 10 patches applied in accordance with the teachings openings 4 so as to connect the outer edges of the of the prior art being quite insecure and providing plates or sheets 2 with the plates 3. but a temporary remedy. It is to be noted that the plates or sheets 2 are Referring to the accompanying drawing: individually free excepting for their connections I Figure 1 is a vertical section of a blast-furnace with the plates 3. Therefore, when their shapes 15 cinder ladle patched in accordance with the prestend to change due to thermal effects, the resultent invention. ing stresses are relatively small, being in each in- Figures 2 and 3 are sectional and elevation stance the stress caused by hat is a relatively views of one of the patches. small piece of metal as compared to the area 0 Figures4 and5are sectional and elevation views of the patch as a W o e- Sihce the plates of another of the patches. sheets are separate from one another, there is V The drawing illustrates a cast 1 1 st no chance for an accumulation of stresses such nace slag ladle l. The Wall of this ladle is made as there When a Solid Piece Of metal S uSe of solid cast metal, and extreme temperature r practical purposes a patch of h character m changes subject it to severe stresses due to ex disclosed y be considered as a s ut y De apansive and contractive effects. These stresses nentare particularly severe when they become concen- Although the plates 01 Sheets e s ted trated at one point or another of the ladle wall as as Straight, fiat Sections, the Same u ts ay they frequently do, due to its integrity and rigidbe obtained by the use of other sections n Since the metal of wall is repeatedly thcrmore, it may in some instances be desirable heated above its critical range its crystalline t slightly Space the o s pieces constituting structure changes so that the situation is further the p other means for mounting the Pieces aggravated by the metal actually becoming weakmay be used. The fundamental idea is the use er. These various factors all contribute to the Of a plurality of relatively thin pieces of metal trouble with which the present invention is conarranged to fill the h t e p checl nd apacerned, namely. the breaking away of localized ble of individual movement during expansion and portions of the ladle wall so as to leave holes. n r whereby to prevent stress values or Quite naturally it is desirable to repair these holes Concentrations sufficient to disrupt the pa so that the service life of the ladle may be pro- I Claimi r r 10nged 1. A patch for a hole in a container for high 40 40 According to the prior art, this may be d temperatured material including a plurality of by the insertion of solid metal pieces which are pieces of metal filling the hole: a mounting fixed held in place by riveting, bolting or welding, to the outside of the container over the hole and These pieces, however, also undergo th s 1 meansfor connecting each of said pieces to said structive influences. As a result they do not stay m0llnt1ngd in place very long. As they become weaker they A patch 11 hole In a Contalner for 8 at the Same time t t t change their Shape tenlperatul'ed material including a plurality of and, due to the large masses of metal represented pieces of metal filling the hole, a mounting fixed by each, uffi ient stresses are created to tear to the outside of the container over the hole and them loose from whatever fastening may be used. means Connecting each of said pieces to Said 50 To illustrate the principles of the present inmo in i pi in h rm of plates vention, the drawing shows two holes A and B or sheets arranged in w e r n ip in the wall of the ladle I. These holes are each sheeting t n r of h n n r and filled with a plurality of relatively thin metal dividually free from one another x p for pieces in the form of metal plates or sheets 2 their connection with said mounting.

temperatured material including a plurality of pieces of metal filling the hole, a mounting fixed to the outside of the container over the hole and means for connecting each of said pieces to said mounting, said pieces being in the form of plates or sheets arranged in edgewise relationship respecting the interior of the container and individually free from one another excepting for their connection with said mounting, the latter;

for high temperatured material, including arranging a plurality of metal plates or sheets in the hole of such lengths as to substantially fill the latter and in edgewise relationship respecting the interior of the container, fixing a plate to the outside of the container over the hole 2,091,082 Y 3. A patch for a hole in a container for high and connecting the outer edges of said plates or sheets with said plate. V I,

5. A patch for a hole in a container for high temperatured material including a plurality of pieces of metal filling the hole, a mounting fixed to the outside of the container over the hole and means for connecting each of said pieces to said mounting, said pieces being in the form of plates or sheets arranged in edgewise relationship respecting the interior of thecontainer and individually free from one another'excepting for their connection with said mounting, the latter being in the form of a plate having at least one opening registering with each of said plates 01' sheets and. through which welding metal is'deposited to connect the edges of the latter with said mounting, and said plates or sheets being of sufficient thinness to prevent forces caused by thermal distortion of the same from freeing them from their connection with said mounting,-

ALFRED OSOLIN. 

